Method for "sausageIZ" object construction in Package ‘sampSurf’


This is the one method for generic function sausageIZ in Package ‘sampSurf’ that allows for creation of objects of class "sausageIZ."


signature(downLog = "downLog", plotRadius = "numeric")


          nptsHalfCircle = 50,         
          description = 'inclusion zone for dowed log "sausage" sampling method',
          spID = unlist(strsplit(tempfile('sausageIZ:',''),'\/'))[2],
          spUnits = CRS(projargs=as.character(NA)),
          ... )
  • downLog: An object of class "downLog" which the inclusion zone is to be determined for under the sausage method.

  • plotRadius: The radius of the circular fixed-area plot in the correct units: feet for "English" and meters for "metric."

  • nptsHalfCircle: The number of points to use in the half-circle at each end of the sausage-shaped inclusion zone for the polygon representation of the object.

  • description: A character vector description of the object.

  • spID: A unique identifier that will be used in displaying the spatial polygon component of the object.

  • spUnits: A valid CRS object specifying the Coordinate Reference System. This defaults to NA, which means you want to use your own user-defined system, say for a sample plot located in the field.

  • dots: Arguments to be passed on.

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